1.13.1. Measurement of distance by chain or tape

Try these first

1. 1.

   What is the main purpose of measuring distances in surveying?

   Hint

   Think about surveying and building.

2. 2.

   Name one tool used for measuring distances.

   Hint

   Think of physical tools you might have seen in construction.

3. 3.

   What method is commonly used for measuring long distances nowadays?

   • Chains
   • Tapes
   • EDM devices

   Hint

   Think about modern technology.

4. 4.

   True or False: A plumb bob is used only for measuring distances horizontally.

   • True
   • False

   Hint

   Consider its purpose.

5. 5.

   You need to measure a distance of 300 meters across sloped terrain. Describe how you would approach this task using the techniques discussed.

   Hint

   Focus on the tools and methods mentioned earlier.

6. 6.

   If a chain shows a measurement of 50 m under tension, but it cannot maintain that length under normal conditions due to sagging. What strategies can you implement to get a more accurate measurement?

   Hint

   Consider the nature of chains versus tapes.